1) A quality circle is a group of employees that identifies, analyzes, and provides solutions to work-related problems. 2) The document describes the steps taken by a quality circle to improve safety and cleanliness in a garment construction laboratory. They identified issues through fishbone diagrams and meetings. 3) Their plan of action included safety trainings, organizing the space and equipment, adding signage and first aid kits, and promoting cleanliness practices. They implemented changes like proper storage of tools and materials and ensured a clean, well-organized work environment.